- big-chested, chesty - marked by a large or well-developed chest; "he was big-chested, big-shouldered and heavy-armed"
Antonym: frail (indirect, via robust)
- arrogant, chesty, self-important - having or showing feelings of unwarranted importance out of overbearing pride; "an arrogant official"; "arrogant claims"; "chesty as a peacock"
Antonym: humble (indirect, via proud)